Registration Dossier
Registration Dossier
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EC number: 408-050-9 | CAS number: 76855-69-1 4-AA; AOSA; AZETIDONE-KANEKA; GR91990X
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 4 (not assignable)
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
- Year:
- 1 992
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Annex V, C2
- GLP compliance:
- yes
Test material
- Reference substance name:
- (2R,3R)-3-((R)-1-(tert-butyldimethylsiloxy)ethyl)-4-oxoazetidin-2-yl acetate
- EC Number:
- 408-050-9
- EC Name:
- (2R,3R)-3-((R)-1-(tert-butyldimethylsiloxy)ethyl)-4-oxoazetidin-2-yl acetate
- Cas Number:
- 76855-69-1
- Molecular formula:
- C13H25NO4Si
- IUPAC Name:
- (2R,3R)-3-[(1R)-1-[(tert-butyldimethylsilyl)oxy]ethyl]-4-oxoazetidin-2-yl acetate
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
Constituent 1
Test solutions
- Details on test solutions:
- A stock solution was prepared in 10% Tween 80 in DMF, was dispersed in test water to give the appropriate test concentrations. The level of auxiliary solvent used was in all cases 0.1 g/l.
Test organisms
- Test organisms (species):
- Daphnia magna
Study design
- Test type:
- not specified
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 48 h
Test conditions
- Hardness:
- 50 mg CaCO3/l
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 24 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 3.4 mg/L
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 3.4 mg/L
- Duration:
- 48 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 3.4 mg/L
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
